| Summerville to Mangualde | 3,928.06 mi (6,321.60 km) |
| Summerville to Marco de Canavezes | 3,896.94 mi (6,271.52 km) |
| Summerville to Marinha Grande | 3,886.47 mi (6,254.67 km) |
| Summerville to Massama | 3,889.64 mi (6,259.77 km) |
| Summerville to Matosinhos | 3,869.53 mi (6,227.40 km) |
| Summerville to Mealhada | 3,897.98 mi (6,273.20 km) |
| Summerville to Melgaco | 3,872.97 mi (6,232.94 km) |
| Summerville to Melres | 3,886.79 mi (6,255.18 km) |
| Summerville to Mira | 3,882.72 mi (6,248.63 km) |
| Summerville to Miranda do Corvo | 3,909.65 mi (6,291.97 km) |
| Summerville to Mirandela | 3,938.96 mi (6,339.14 km) |
| Summerville to Mogadouro | 3,965.08 mi (6,381.18 km) |
| Summerville to Moimenta da Beira | 3,927.76 mi (6,321.12 km) |
| Summerville to Moita | 3,906.86 mi (6,287.48 km) |
| Summerville to Moncao | 3,863.28 mi (6,217.35 km) |
